有一种动力是技术动力。
有一种很强大的初动力——比恒定状态时的力要大五倍。
There was a huge initial force—five times larger than the steady state force.
考虑到技术承诺，这也是到了蓄电池靠边站的时候了。城里有一种新的混合动力车。
Given the technology's promise, it may be time for batteries to stand guard. There's a new hybrid in town.
城里有一种新的混合动力车。
它显示出一种环球飞行的幻想。在清晨和下午有强力的推动力，让他能跟随太阳旋转。
And it gave the illusion of flying round the world since, with a couple of hefty shoves morning and afternoon, it could be made to revolve and follow the sun.
在缺乏食物的年代，我们需要狩猎的动力，这是一种有效机制；不幸的是，现在我们有充足的食物，很容易获得食物及快餐。
Unfortunately for us, that worked very well when we had little food and we needed incentive to hunt.
困难和挫折也许是有好处的。这是一种锻炼，这是推动我继续前进的动力。
Difficulties and setbacks may be beneficial. This is an exercise, this is pushing me to move on.
但他们有一种更强大的驱动力。
滚动轴承作为航空发动机转子系统广泛采用的一种支承，其力学特性对转子系统的动力特性有重要的影响，尤其是高速下更为显著。
The ball bearing is widely used in aero-engines. Its mechanical properties exert important influence on the dynamic characteristics of rotor systems, especially at high speed.
每个人都会有压力，但是我们必须知道有压力才有动力，同时，压力也是一种负担，我们要平衡压力。
Everybody will have pressure, but we must know that pressure brings motivation, at the same time, it also brings burden, we have to balance it.
有一种环结的动力学。
我们相信油页岩是一种有前景的非常规能源资源，可以为吉林乃至中国的经济增长提供动力。
We believe oil shale has the potential to be another source of domestic energy to help fuel Jilin's, as well as China's, fast growing economy.
也许有一天，你的电动小轿车会用一种新型的、以甲醇以为燃料的轻型燃料电池作动力。
A new, lightweight fuel cell that runs on methanol may one day power your electric car.
文中基于滑模控制方法提出一种改进的自适应姿态控制规律，适用于有内扰动力矩存在的航天器。
An improved adaptive control approach based on sliding-mode control is proposed in this paper for the spacecraft subjected to internal perturbation torque.
提出了一种有限维重复控制方法，以实现对有严重非线性扰动力矩的伺服机构的高精度速率控制。
A finite dimensional repetitive control method is proposed for the high precision velocity control of servomechanisms subject to significant nonlinear disturbance torque.
在此基础上，提出一种MPCVD系统中金刚石成核的动力学模型，并指出对应于最高成核密度有一临界压强存在。
Based on these results, a kinetic model for diamond nucleation in MPCVD system was proposed. The critical gas pressure corresponding to the highest nucleation density was also discussed.
尽管CAS是一种微创治疗方法，但仍然有许多潜在的并发症，如血流动力学异常、过度灌注综合征、脑梗死和再狭窄等。
Although CAS is a microinvasive technique, it has some potential complications, such as hemodynamic abnormalities, hyperperfusion syndrome, cerebral infarction, and restenosis.
如果你能用一种家制的磁性发电机可以供应家庭所需，那么你也可以为运输或者地球上任何与电有关的有实际意义的东西提供动力源。
If you can power a house with a home made magnetic generator. You could power transport or for that fact anything electrical on the planet.
正确的目标能帮助我们实现愿景。正如人们想实现自己设立的目标时会更有动力，这样成功的时候有一种成就感。
A proper aim helps foster the realization of the visions, as people are better motivated when they want to attain the goal they set for themselves and have a sense of fulfillment when they succeed.
作为一种复杂的包含化学反应的有旋流动，火旋风在不同的可燃物种类和物理条件，以及不同的环境流场条件下，会表现出复杂的动力学特征。
As a kind of complicated rotational flow with chemical reaction, fire whirl has complex dynamical behaviors under different conditions of fuel species, physical parameters, and environmental flow.
混沌是一种现象和行为，而神经网络是一种特定计算模式的拓扑结构，它们有自身的特征，但也有共同的规律，即非线性动力学特性。
Chaos is a kind of phenomenon and behavior, and neural network is a kind of topology with specific compute mode. They have their own characters and similar nonlinear characters.
结论：提示1是一种有发展前途的肿瘤光动力敏化剂，值得深入研究。
CONCLUSION: it suggested that 1 May be possible to be developed as a new photosensitizer for PDT of cancer.
本发明公开一种太阳跟踪装置，该太阳跟踪装置包括有动力单元， 其具有升降件；
The invention discloses a solar tracking device which comprises a power unit, a supporting board and an adjustment unit, wherein the power unit is provided with a lifting piece;
本发明公开一种太阳跟踪装置，该太阳跟踪装置包括有动力单元， 其具有升降件；
The invention discloses a solar tracking device which comprises a power unit, a supporting board and an adjustment unit, wherein the power unit is provided with a lifting piece;
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